疫苗储存运输要遵循冷链运输(cold chain,CC)的要求,这很大程度上限制了疫苗的接种和普及,尤其是在那些贫困偏远地区。为扩大疫苗可及性,世界卫生组织(World Health Organization,WHO)于2012年首次提出了受控温度链(controlled temperat...疫苗储存运输要遵循冷链运输(cold chain,CC)的要求,这很大程度上限制了疫苗的接种和普及,尤其是在那些贫困偏远地区。为扩大疫苗可及性,世界卫生组织(World Health Organization,WHO)于2012年首次提出了受控温度链(controlled temperature chain,CTC)法规,即在政府部门和WHO的监管下,在有充分热稳定性数据支持的前提下,若申报CTC的疫苗在不低于40℃下存放至少3 d后仍能保证效力,则该疫苗在免疫供应链后期无需冷链运输。CTC法规已成功应用在包括MenAfriVac在内的4个商品化疫苗上。本文介绍了CTC法规的内容和应用情况,通过科学监管提高疫苗可及性,减少不必要的浪费。展开更多
Background: MenAfriVac<sup>TM</sup> is the first of the World Health Organization (WHO)’s pre-qualified vaccines to be allowed to mass vaccination campaign at a temperature below or equal to 40°C dur...Background: MenAfriVac<sup>TM</sup> is the first of the World Health Organization (WHO)’s pre-qualified vaccines to be allowed to mass vaccination campaign at a temperature below or equal to 40°C during 4 days. This new vaccination practice has already been used in some African countries. This article described the opinion and use of this new technique by actors on the field, during a mass vaccination campaign in Côte d’Ivoire, in December 2014. Methods: We conducted a crosssectional study on the practice of CTC by actors on the field and their perception on the new practice, during a mass vaccination campaign in 2 of 25 health districts in Côte d’Ivoire, in December 2014. Findings: As results, in Séguéla 98.25% of respondents expressed a favourable opinion of CTC, citing advantages such as vaccine carriers requiring no ice packs (29.2%), financial benefit (12.28%) and lighter vaccine carriers (5.26%). In Bouna, respondents gave the same advantages in, respectively, 34%, 2% and 8% of cases. The peak of the total of vials used for immunization sessions reached 376 vials at day one, then dropped to 235 vials at day three and 220 vials at day six. Discussion: Vaccinators found some benefits related to CTC practice, but on the field, they were cautious in using CTC technique.展开更多
疫苗必须在2~8℃下保存,以确保其在生产、储存、运输和使用过程中的质量,但对于边远地区来说,疫苗冷链供应存在较大困难。为扩大疫苗供应范围至冷链难以覆盖的地区,提高免疫接种覆盖率,世界卫生组织(World Health Organization,WHO)提...疫苗必须在2~8℃下保存,以确保其在生产、储存、运输和使用过程中的质量,但对于边远地区来说,疫苗冷链供应存在较大困难。为扩大疫苗供应范围至冷链难以覆盖的地区,提高免疫接种覆盖率,世界卫生组织(World Health Organization,WHO)提出了疫苗"受控温度链(controlled temperature chain,CTC)"方案。本文通过汇总和分析国际上CTC应用于疫苗供应的相关资料,结合我国国情,探讨通过疫苗稳定性研究及分析,采用CTC作为疫苗冷链供应之外的补充供应策略的可行性和必要性。展开更多
文摘疫苗储存运输要遵循冷链运输(cold chain,CC)的要求,这很大程度上限制了疫苗的接种和普及,尤其是在那些贫困偏远地区。为扩大疫苗可及性,世界卫生组织(World Health Organization,WHO)于2012年首次提出了受控温度链(controlled temperature chain,CTC)法规,即在政府部门和WHO的监管下,在有充分热稳定性数据支持的前提下,若申报CTC的疫苗在不低于40℃下存放至少3 d后仍能保证效力,则该疫苗在免疫供应链后期无需冷链运输。CTC法规已成功应用在包括MenAfriVac在内的4个商品化疫苗上。本文介绍了CTC法规的内容和应用情况,通过科学监管提高疫苗可及性,减少不必要的浪费。
文摘Background: MenAfriVac<sup>TM</sup> is the first of the World Health Organization (WHO)’s pre-qualified vaccines to be allowed to mass vaccination campaign at a temperature below or equal to 40°C during 4 days. This new vaccination practice has already been used in some African countries. This article described the opinion and use of this new technique by actors on the field, during a mass vaccination campaign in Côte d’Ivoire, in December 2014. Methods: We conducted a crosssectional study on the practice of CTC by actors on the field and their perception on the new practice, during a mass vaccination campaign in 2 of 25 health districts in Côte d’Ivoire, in December 2014. Findings: As results, in Séguéla 98.25% of respondents expressed a favourable opinion of CTC, citing advantages such as vaccine carriers requiring no ice packs (29.2%), financial benefit (12.28%) and lighter vaccine carriers (5.26%). In Bouna, respondents gave the same advantages in, respectively, 34%, 2% and 8% of cases. The peak of the total of vials used for immunization sessions reached 376 vials at day one, then dropped to 235 vials at day three and 220 vials at day six. Discussion: Vaccinators found some benefits related to CTC practice, but on the field, they were cautious in using CTC technique.
文摘疫苗必须在2~8℃下保存,以确保其在生产、储存、运输和使用过程中的质量,但对于边远地区来说,疫苗冷链供应存在较大困难。为扩大疫苗供应范围至冷链难以覆盖的地区,提高免疫接种覆盖率,世界卫生组织(World Health Organization,WHO)提出了疫苗"受控温度链(controlled temperature chain,CTC)"方案。本文通过汇总和分析国际上CTC应用于疫苗供应的相关资料,结合我国国情,探讨通过疫苗稳定性研究及分析,采用CTC作为疫苗冷链供应之外的补充供应策略的可行性和必要性。
